비조불입 in Korean
비조불입(飛鳥不入)[명사] [새도 날아들지 못할 만큼] 성(城)이나 진지(陣地)의 ‘방비가 물샐틈없이 튼튼함’을 이르는 말.
Use "비조불입" in a sentence
Below are sample sentences containing the word "비조불입" from the Korean Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "비조불입", or refer to the context using the word "비조불입" in the Korean Dictionary.